1440968452 has 96 divisors (see below), whose sum is σ = 3282902784. Its totient is φ = 537139200.

The previous prime is 1440968447. The next prime is 1440968461. The reversal of 1440968452 is 2548690441.

It is a junction number, because it is equal to n+sod(n) for n = 1440968399 and 1440968408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668208 + ... + 670360.

It is an arithmetic number, because the mean of its divisors is an integer number (34196904).

Almost surely, 2^1440968452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440968452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641451392).

1440968452 is an abundant number, since it is smaller than the sum of its proper divisors (1841934332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440968452 is a wasteful number, since it uses less digits than its factorization.

1440968452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1440968452 is about 37960.0902527905. The cubic root of 1440968452 is about 1129.4963302116.

The spelling of 1440968452 in words is "one billion, four hundred forty million, nine hundred sixty-eight thousand, four hundred fifty-two".